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Autres articles (4)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

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  • cbs_h265 : Add PTL parsing for Main 10 Still Picture profile

    27 octobre 2018, par Mark Thompson
    cbs_h265 : Add PTL parsing for Main 10 Still Picture profile

    This was added in the 2018 version of the standard.
    • [DH] libavcodec/cbs_h265_syntax_template.c

  • FFMPEG HLS Multiple audio languages with var_stream_map - EXT-X-MEDIA:TYPE doesn't contain LANGUAGE

    30 janvier 2020, par Moonsurfer_1

    I have a question involving multiple audio languages on HLS with FFMPEG.

    I’m currently using the following command to mux a transport stream with multiple audio languages into an HLS stream with a master playlist :

    ffmpeg -re -i $INPUT_URL -map 0:v -c:v copy -map 0:a -c:a copy -f hls -hls_time 6 -hls_list_size 10 -hls_flags delete_segments+program_date_time -hls_segment_filename "$FULL_OUTPUT_FOLDER/stream_%v_%d.ts" -var_stream_map "v:0,agroup:groupname a:0,agroup:groupname a:1,agroup:groupname a:2,agroup:groupname a:3,agroup:groupname" -master_pl_name master.m3u8 $FULL_OUTPUT_FOLDER/stream-%v.m3u8

    The output of this command looks like this :

    ffmpeg version 4.0.3-1~16.04.york0 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
    
  configuration: --prefix=/usr --extra-version='1~16.04.york0' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      56. 14.100 / 56. 14.100
    
  libavcodec     58. 18.100 / 58. 18.100
    
  libavformat    58. 12.100 / 58. 12.100
    
  libavdevice    58.  3.100 / 58.  3.100
    
  libavfilter     7. 16.100 /  7. 16.100
    
  libavresample   4.  0.  0 /  4.  0.  0
    
  libswscale      5.  1.100 /  5.  1.100
    
  libswresample   3.  1.100 /  3.  1.100
    
  libpostproc    55.  1.100 / 55.  1.100
    
[mpegts @ 0x55c8cb7fee40] start time for stream 5 is not set in estimate_timings_from_pts
    
[mpegts @ 0x55c8cb7fee40] start time for stream 6 is not set in estimate_timings_from_pts                                                                                          
    
[mpegts @ 0x55c8cb7fee40] start time for stream 7 is not set in estimate_timings_from_pts                                                                                          
    
Input #0, mpegts, from '/home/user/Videos/output/example.ts':
    
  Duration: 00:37:50.26, start: 1.498667, bitrate: 1257 kb/s
    
  Program 1 
    
    Metadata:
    
      service_name    : example
    
      service_provider: FFmpeg
    
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 696x572 [SAR 64:45 DAR 3712:2145], 25 fps, 25 tbr, 90k tbn, 50 tbc
    
    Stream #0:1[0x101](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 159 kb/s
    
    Stream #0:2[0x102](fra): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 126 kb/s
    
    Stream #0:3[0x103](ita): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 132 kb/s
    
    Stream #0:4[0x104](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 132 kb/s
    
    Stream #0:5[0x105](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    
    Stream #0:6[0x106](fra): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    
    Stream #0:7[0x107](deu): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_0_0.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_1_0.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_2_0.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_3_0.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_4_0.ts' for writing
    
[mpegts @ 0x55c8cb880380] frame size not set
    
[mpegts @ 0x55c8cb882040] frame size not set                                                                                                                                       
    
[mpegts @ 0x55c8cb8837c0] frame size not set                                                                                                                                       
    
[mpegts @ 0x55c8cb885280] frame size not set                                                                                                                                       
    
Output #0, hls, to '/var/www/html/live/stream-%v.m3u8':
    
  Metadata:
    
    encoder         : Lavf58.12.100
    
    Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 696x572 [SAR 64:45 DAR 3712:2145], q=2-31, 25 fps, 25 tbr, 90k tbn, 25 tbc
    
    Stream #0:1(eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 159 kb/s
    
    Stream #0:2(fra): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 126 kb/s
    
    Stream #0:3(ita): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 132 kb/s
    
    Stream #0:4(eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 132 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
  Stream #0:2 -> #0:2 (copy)
    
  Stream #0:3 -> #0:3 (copy)
    
  Stream #0:4 -> #0:4 (copy)
    
Press [q] to stop, [?] for help
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_1_1.ts' for writing    
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-1.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_2_1.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-2.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_3_1.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-3.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_4_1.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-4.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_1_2.ts' for writing   
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-1.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_2_2.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-2.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_3_2.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-3.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_4_2.ts' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-4.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_0_1.ts' for writing   
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-0.m3u8.tmp' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/master.m3u8' for writing
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream_1_3.ts' for writing   
    
[hls @ 0x55c8cb834980] Opening '/var/www/html/live/stream-1.m3u8.tmp' for writing

    The master playlist that’s being output by this command looks like this :

    #EXTM3U
    
#EXT-X-VERSION:3
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_groupname",NAME="audio_0",DEFAULT=YES,URI="stream-1.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_groupname",NAME="audio_0",DEFAULT=YES,URI="stream-2.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_groupname",NAME="audio_0",DEFAULT=YES,URI="stream-3.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_groupname",NAME="audio_0",DEFAULT=YES,URI="stream-4.m3u8"
    
#EXT-X-STREAM-INF:BANDWIDTH=174900,RESOLUTION=696x572,AUDIO="group_groupname"
    
stream-0.m3u8
    

    
#EXT-X-STREAM-INF:BANDWIDTH=174900,CODECS="mp4a.40.2",AUDIO="group_groupname"
    
stream-1.m3u8
    

    
#EXT-X-STREAM-INF:BANDWIDTH=174900,CODECS="mp4a.40.2",AUDIO="group_groupname"
    
stream-2.m3u8
    

    
#EXT-X-STREAM-INF:BANDWIDTH=174900,CODECS="mp4a.40.2",AUDIO="group_groupname"
    
stream-3.m3u8
    

    
#EXT-X-STREAM-INF:BANDWIDTH=174900,CODECS="mp4a.40.2",AUDIO="group_groupname"
    
stream-4.m3u8

    While this does seem to work with VLC, I need the EXT-X-MEDIA:TYPE tag to contain the LANGUAGE property. (the player I’m working with uses it to parse the audio tracks’ language) I can’t figure out how to do that based on the documentation I’ve found.

    Could anyone help me with this ?

    Thanks !

  • tf.contrib.ffmpeg.decode_audio replacement ?

    27 juin 2019, par Imran Paruk

    In the tensorflow docs, it stated that tf.contrib.ffmpeg.decode_audio is depreciated, however it does not state what it’s replacement is...

    THIS FUNCTION IS DEPRECATED. It will be removed after 2018-09-04. Instructions for updating : This will be deleted and should not be used.

    Here is the link : https://www.tensorflow.org/api_docs/python/tf/contrib/ffmpeg/decode_audio

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